import Vue from 'vue'
import Router from 'vue-router'
/* Layout */
import Layout from '../layout'
import dataViewRouterMap from './data_view/index'

// in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot updateDataSource too slow. so only in production use lazy-loading;
// detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading

Vue.use(Router)

/**
 * hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
 *                                if not set alwaysShow, only more than one route under the children
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noredirect           if `redirect:noredirect` will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    title: 'title'               the name show in subMenu and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if false, the item will hidden in breadcrumb(default is true)
  }
 **/
export const constantRouterMap = [
  { path: '/404', component: () => import('@/views/404'), hidden: true },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    name: '数据可视化',
    hidden: true,
    children: [{
      path: 'dashboard',
      component: () => import('@/views/dashboard/index')
    }]
  },

  { path: '*', redirect: '/404', hidden: true }
]

export const allRouterMap = constantRouterMap.concat(dataViewRouterMap)

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: allRouterMap
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
